Disposable Fuel Cell TSI-165082 ! Disposable Liquid Candle Fuel Cell Four sizes available (different quantities for each size): 8 Hour Cell 30x35mm (180pk) - £144.00 OR 30 Hour Cell 55x50mm (48pk) - £67.20 OR 45 Hour Cell 60x60mm (48pk) - £81.60 OR 50 Hour Cell 68x55mm (48pk) - £81.60